Concurrency error when deleteing or updating multiple primary key fields

Posted by / 28-Jul-2017 08:39

Concurrency error when deleteing or updating multiple primary key fields

We can use this to declaratively define non-standard default values that works across all supported RDBMS's like automatically populating a column with the RDBMS UTC Date when Inserted with a class has been extended to support named connections which allows you to conveniently define all your db connections when you register it in your IOC and access them with the named property when you use them.

One of the primary goals of Orm Lite is to expose and RDBMS agnostic Typed API Surface which will allow you to easily switch databases, or access multiple databases at the same time with the same behavior.Orm Lite's T4 support can be added via Nu Get with: Orm Lite's Expression support satisfies the most common RDBMS queries with a strong-typed API.For more complex queries you can easily fall back to raw SQL where the Custom SQL API's let you to map custom Sql Expressions into different responses: placeholder dictionary for storing common, but non-standard RDBMS functionality.This feature makes it trivial to maintain multiple separate db shards with a master database in a different RDBMS.Here's an (entire source code) sample of the code needed to define, and populate a Master/Shard setup.

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One instance where this can have an impact is needing to use in LIKE searches to enable case-insensitive LIKE queries across all RDBMS.

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